#E9EFFA is a light neutral with only a whisper of temperate cast. On the Color Lab it reads clean and engineered, restrained and easy to live with. It holds up as a large surface and is too pale to lead as a primary accent.
Not just a swatch — here's how #E9EFFA works with other colors. Named schemes with #E9EFFA in its natural role, and a note on why the supporting colors balance it.
Cool White sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Cool White opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cool White is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cool White.
Cool White keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cool White is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Cool White carrying the quiet middle.
How #E9EFFA actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #E9EFFA at work across the surfaces designers actually ship.
:root {
--color-base: #E9EFFA;
--color-base-rgb: 233 239 250;
--color-base-oklch: oklch(95.1% 0.016 262.8);
--color-50: #F2F6FD;
--color-100: #DDE7F8;
--color-200: #BDCFF0;
--color-300: #8FABE0;
--color-400: #6589CD;
--color-500: #436AB2;
--color-600: #3A5588;
--color-700: #2E4061;
--color-800: #212C40;
--color-900: #161C27;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cool-white: {
50: '#F2F6FD',
100: '#DDE7F8',
200: '#BDCFF0',
300: '#8FABE0',
400: '#6589CD',
500: '#436AB2',
600: '#3A5588',
700: '#2E4061',
800: '#212C40',
900: '#161C27',
},
}
$base: #E9EFFA; $base-ink: #141310; $base-50: #F2F6FD; $base-100: #DDE7F8; $base-200: #BDCFF0; $base-300: #8FABE0; $base-400: #6589CD; $base-500: #436AB2; $base-600: #3A5588; $base-700: #2E4061; $base-800: #212C40; $base-900: #161C27; $base-hover: #9BB6E8; $base-subtle: #F9FBFD;
{
"color": {
"base": {
"value": "#E9EFFA",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F2F6FD",
"type": "color"
},
"100": {
"value": "#DDE7F8",
"type": "color"
},
"200": {
"value": "#BDCFF0",
"type": "color"
},
"300": {
"value": "#8FABE0",
"type": "color"
},
"400": {
"value": "#6589CD",
"type": "color"
},
"500": {
"value": "#436AB2",
"type": "color"
},
"600": {
"value": "#3A5588",
"type": "color"
},
"700": {
"value": "#2E4061",
"type": "color"
},
"800": {
"value": "#212C40",
"type": "color"
},
"900": {
"value": "#161C27",
"type": "color"
}
}
}
}